Math practice test MCQ on ladder leans against wall at point b (window end) from a ground level and makes an angle horizontally at 52°. height of ladder is 15 m. when same ladder leans above point b at point (window start) and makes an angle of 85° horizontally. distance between point and point b is with options 12.4 m, 5 m, 4.12 m and 3.12 m problem solving skills for competitive exam, viva prep, interview questions with answer key. Free math revision notes to learn applications of trigonometry quiz with MCQs to find questions answers based online learning tests.

MCQ. A ladder leans against wall at point B (window end) from a ground level and makes an angle horizontally at 52°. height of ladder is 15 m. When same ladder leans above point B at point A (window start) and makes an angle of 85° horizontally. distance between point A and point B is

12.4 m

5 m

4.12 m

3.12 m

D

MCQ. Height of a light house is 65 m. angles of elevation and depression of top and foot of a radar mast are 52° and 30° respectively. height of radar mast is

102 m

305 m

209.09 m

109.09 m

C

MCQ. A house is built at top of cliff. From foot of cliff at a distance of 75 m, angle of elevation of top of house is 51° and angle of elevation at top of cliff 41°. height of house is

38.25 m

36 m

32.42 m

27.42 m

D

MCQ. From top of mountain 68 m high, angle of depression of two boats due east of it are 52° and 26° respectively. distance between ships is